Old Rocks
Diamond Member
Very interesting
www.the-scientist.com
![www.the-scientist.com](https://cdn.the-scientist.com/assets/articleNo/68426/aImg/41166/fin-bones-m.png)
A Simple Genetic Change Adds Limb-Like Bones to Zebrafish Fins
A gain-of-function mutation in a single gene reveals ancient limb-forming capacity that has been preserved for hundreds of millions of years.
![www.the-scientist.com](https://cdn.the-scientist.com/static/7.7.9/favicon.png)